Research on the public domain of copyright in the internet environment 并列题名:Research on the public domain of copyright in the internet environment Research on the publicity of role models in the social media environment Study on exclusive rights of copyright in the network environment 并列题名:Research on the publicity of role models in the social media environment Study of public policy participation under the internet environment 并列题名:Study of public policy participation under the internet environment Research on the intention of consumer and brand equity in the e-commerce environment Research on the protection of the vulnerable groups'employment right in the new legal environment